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At What Point Is a Person Who Has the Flu No Longer Contagious?

Different strains of flu affect many thousands of Americans each year. Not only is the flu uncomfortable; it can also be deadly. According to the Centers for Disease Control (CDC), approximately 200,000 people are hospitalized with the flu and 36,000 of these people die each year. The key to preventing the flu is to avoid the virus.

  1. Life Span of Flu

    • The CDC reports that the flu virus can linger in a healthy adult for up to one week. However, people may be able to spread the virus a day before noticing any symptoms.

    Exceptions

    • The flu can last longer in people who are at higher risk, including children, adults over 65 and people with respiratory problems such as asthma.

    Symptoms

    • People may not experience flu symptoms until up to four days after being exposed to the virus, according to the CDC. Symptoms may include chills, body aches, headaches, excessive fatigue, sore throat, fever, runny nose and cough.

    Avoidance

    • Avoid being near someone who has the flu for at least a week, or until symptoms improve. Also avoid contact with objects near where the person may have coughed or sneezed. Keep in mind that those at higher risk will be contagious longer.

    Prevention/Solution

    • Get your annual flu shot. In 2009, it was advised that people get a regular flu shot as well as the H1N1 vaccine. Avoid people with the flu and wash your hands often.

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